493593901 has 2 divisors, whose sum is σ = 493593902. Its totient is φ = 493593900.

The previous prime is 493593887. The next prime is 493593937. The reversal of 493593901 is 109395394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267813225 + 225780676 = 16365^2 + 15026^2 .

It is a cyclic number.

It is not a de Polignac number, because 493593901 - 2¹⁷ = 493462829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493590901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246796950 + 246796951.

It is an arithmetic number, because the mean of its divisors is an integer number (246796951).

Almost surely, 2^493593901 is an apocalyptic number.

It is an amenable number.

493593901 is a deficient number, since it is larger than the sum of its proper divisors (1).

493593901 is an equidigital number, since it uses as much as digits as its factorization.

493593901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 493593901 is about 22216.9732637009. The cubic root of 493593901 is about 790.2962628612.

It can be divided in two parts, 493593 and 901, that added together give a palindrome (494494).

The spelling of 493593901 in words is "four hundred ninety-three million, five hundred ninety-three thousand, nine hundred one".